CVE-2021-42839

Published: Nov 15, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

Grand Vice info Co. webopac7 file upload function fails to filter special characters. While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.

Vendor	Product	Versions
Grand Vice info Co.	webopac7	affected `7.1.20160701` affected `1.8.20160701`

Weaknesses (CWE)

CWE-434

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2021-42839

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References